// Controlling a servo position using a potentiometer (variable resistor) 
// by Michal Rinott <http://people.interaction-ivrea.it/m.rinott> 

#include <Servo.h> 
 
Servo myservo;  // create servo object to control a servo 
 
int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin 
int val2;
int val3 = 0;
String valS;
void setup() 
{ 
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object 
  Serial.begin(9600); // USB is always 12 Mbit/sec
} 
 
void loop() 
{ 
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023) 
  val2 = map(val, 82, 430, 0, 179);     // scale it to use it with the servo (value between 0 and 180) 

  myservo.write(val3);                  // sets the servo position according to the scaled value 
  delay(15);        // waits for the servo to get there 
  valS = String(val2);
    Serial.println("My val is " + valS);
  delay(1000);  // do not print too fast!
  val3 = val3 + 3;
} 
